[INFO] crate nonblock 0.1.0 is already in cache [INFO] testing nonblock-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate nonblock 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate nonblock 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nonblock 0.1.0 [INFO] finished tweaking crates.io crate nonblock 0.1.0 [INFO] tweaked toml for crates.io crate nonblock 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 723d9e2bc7bc954c84ac21d1d7eef3c55eac1cdcfea8ffadec843c5bc82ce53b [INFO] running `"docker" "start" "-a" "723d9e2bc7bc954c84ac21d1d7eef3c55eac1cdcfea8ffadec843c5bc82ce53b"` [INFO] [stderr] Compiling nonblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | try!(set_blocking(fd, false)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | try!(set_blocking(fd, true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | let _ = try!(res); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `"docker" "inspect" "723d9e2bc7bc954c84ac21d1d7eef3c55eac1cdcfea8ffadec843c5bc82ce53b"` [INFO] running `"docker" "rm" "-f" "723d9e2bc7bc954c84ac21d1d7eef3c55eac1cdcfea8ffadec843c5bc82ce53b"` [INFO] [stdout] 723d9e2bc7bc954c84ac21d1d7eef3c55eac1cdcfea8ffadec843c5bc82ce53b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7695f56f920b93e8a9d1052debe9bd5895aeaf0ae51160769ed90d095bc2436f [INFO] running `"docker" "start" "-a" "7695f56f920b93e8a9d1052debe9bd5895aeaf0ae51160769ed90d095bc2436f"` [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling serde v0.7.15 [INFO] [stderr] Compiling itoa v0.1.1 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | try!(set_blocking(fd, false)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | try!(set_blocking(fd, true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | let _ = try!(res); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling serde_json v0.7.4 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling nonblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | try!(set_blocking(fd, false)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | try!(set_blocking(fd, true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | let _ = try!(res); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:187:69 [INFO] [stderr] | [INFO] [stderr] 187 | let client = TcpStream::connect("127.0.0.1:34254").unwrap();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `chrono::DateTime: serde::ser::Serialize` is not satisfied [INFO] [stderr] --> examples/structure-stdio.rs:49:45 [INFO] [stderr] | [INFO] [stderr] 49 | ... .insert("time", time); [INFO] [stderr] | ^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime` [INFO] [stderr] | [INFO] [stderr] help: trait impl with same name found [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/src/ser/impls.rs:549:1 [INFO] [stderr] | [INFO] [stderr] 549 | / impl<'a, T: ?Sized> Serialize for &'a T where T: Serialize { [INFO] [stderr] 550 | | #[inline] [INFO] [stderr] 551 | | fn serialize(&self, serializer: &mut S) -> Result<(), S::Error> [INFO] [stderr] 552 | | where S: Serializer, [INFO] [stderr] ... | [INFO] [stderr] 555 | | } [INFO] [stderr] 556 | | } [INFO] [stderr] | |_^ [INFO] [stderr] = note: perhaps two different versions of crate `serde` are being used? [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `nonblock`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7695f56f920b93e8a9d1052debe9bd5895aeaf0ae51160769ed90d095bc2436f"` [INFO] running `"docker" "rm" "-f" "7695f56f920b93e8a9d1052debe9bd5895aeaf0ae51160769ed90d095bc2436f"` [INFO] [stdout] 7695f56f920b93e8a9d1052debe9bd5895aeaf0ae51160769ed90d095bc2436f